Shahîd, I. (1988). Heraclius ΠΙΣΤΟΣ EN ΧΡΙΣΤΩ ΒΑΣΙΛΕΥΣ. Byzantium and the Semitic Orient before the rise of Islam, 225-237.
Chicago Style (17th ed.) CitationShahîd, Irfan. "Heraclius ΠΙΣΤΟΣ EN ΧΡΙΣΤΩ ΒΑΣΙΛΕΥΣ." Byzantium and the Semitic Orient Before the Rise of Islam 1988: 225-237.
MLA (9th ed.) CitationShahîd, Irfan. "Heraclius ΠΙΣΤΟΣ EN ΧΡΙΣΤΩ ΒΑΣΙΛΕΥΣ." Byzantium and the Semitic Orient Before the Rise of Islam, 1988, pp. 225-237.
Warning: These citations may not always be 100% accurate.